package com.atguigu.gmall.map;

import java.util.HashMap;

/**
 * @author 陈昆昆
 * @version 1.0
 * @date 2020/6/13 15:12
 */
public class Map {
    public static void main(String[] args) {
        java.util.Map<String,String> map = new HashMap<>();
        map.put("","");
    }
}
